| 9. Round | 15/09/2019 | 1. FSV Mainz 05 II | - | FC Gießen | 1:3 | ||||
| 14. Round | 19/10/2019 | SC Freiburg II | - | FC Gießen | 3:1 | ||||
| 15. Round | 26/10/2019 | FC Gießen | - | VfR Aalen | 1:1 | ||||
| 16. Round | 02/11/2019 | Bahlinger SC | - | FC Gießen | 4:0 | ||||
| 17. Round | 09/11/2019 | FC Gießen | - | Kickers Offenbach | 1:1 | ||||
| 18. Round | 23/11/2019 | FC Gießen | - | SV 07 Elversberg | 2:3 | ||||
| 19. Round | 30/11/2019 | FC 08 Homburg | - | FC Gießen | 0:0 | ||||
| 20. Round | 07/12/2019 | FC Gießen | - | FK Pirmasens | 1:1 | ||||
| 21. Round | 22/02/2020 | TSV Steinbach Haiger | - | FC Gießen | 2:1 | ||||
| 22. Round | 29/02/2020 | FC Gießen | - | Rot-Weiß Koblenz | 2:1 |  |
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| 23. Round | 06/03/2020 | FSV Frankfurt | - | FC Gießen | 0:1 |
Germany